 
(* ::Section:: *)
(* CV *)
(* ::Text:: *)
(*CV[p, i] is a 3-dimensional Cartesian vector and is transformed into CartesianPair[CartesianMomentum[p], CartesianIndex[i]] by FeynCalcInternal..*)


(* ::Subsection:: *)
(* See also *)
(* ::Text:: *)
(*FV, Pair, CartesianPair.*)



(* ::Subsection:: *)
(* Examples *)



CV[p,i]

CV[p-q,i]

FCI[CV[p,i]]//StandardForm


(* ::Text:: *)
(*ExpandScalarProduct is used to expand momenta in CV*)


ExpandScalarProduct[CV[p-q,i]]
